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Advanced Engineering Materials, EarlyView.The results demonstrate a simulation‐driven workflow that applies LSB topology optimization with additive manufacturing constraints to mission‐specific load cases, integrating European Cooperation for Space Standardization compliant verification and manufacturability to develop structurally efficient rover suspension components.
Stelios K. Georgantzinos +11 more
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Intelligent Reconfigurable Reflecting Surfaces for Free Space Optical Communications.
, 2020 Marzieh Najafi +2 more
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Advanced Engineering Materials, EarlyView.This study proposes a new methodology for producing metal matrix nanocomposites in the solid state. The process involves the plasma‐assisted thermochemical treatment of metallic alloy powders. As a proof‐of‐concept, TiN nanoparticles are synthesized directly on the surface of FeTi intermetallic powder particles, enabling the development of the ...
Deivison Daros Paim +4 more
wiley +1 more source
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Free space propagation without free space
SPIE Proceedings, 2013We present a novel, fast and easy measurement technique to measure the beam propagation factor M 2 of laser beams using a spatial light modulator (SLM). Two different measurement procedures are outlined, that are both based on digitally simulating the free space propagation of the beam.
Christian Schulze +3 more
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Free-space optical interconnection scheme
Applied Optics, 1989One of the limiting factors in the design of large scale digital systems is communication [1]. The use of conventional wiring for high speed communication entails high energy dissipation, crosstalk, ground loops and low interconnect density due to physical size constraints.
A, Dickinson, M E, Prise
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2019
Barrieren und Barrierefreiheit beeinflussen das alltägliche Leben. Hierbei spielen einerseits physische Barrieren, die den Bewegungsradius unterschiedlicher Personengruppen einschränken, eine maßgebliche Rolle. Aber auch Hürden und Hindernisse anderer Art etwa mentalen, sprachlichen oder visuellen Ursprungs prägen unsere Welt.
Diebäcker, Tarek +3 more
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Barrieren und Barrierefreiheit beeinflussen das alltägliche Leben. Hierbei spielen einerseits physische Barrieren, die den Bewegungsradius unterschiedlicher Personengruppen einschränken, eine maßgebliche Rolle. Aber auch Hürden und Hindernisse anderer Art etwa mentalen, sprachlichen oder visuellen Ursprungs prägen unsere Welt.
Diebäcker, Tarek +3 more
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Canadian Journal of Mathematics, 1987
In this paper we study the spaces X having the property that the space of free loops on X is equivalent in some sense to the product of X by the space of based loops on X. We denote by ΛX the space of all continuous maps from S1 to X, with the compact-open topology.
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In this paper we study the spaces X having the property that the space of free loops on X is equivalent in some sense to the product of X by the space of based loops on X. We denote by ΛX the space of all continuous maps from S1 to X, with the compact-open topology.
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SPIE Proceedings, 1990
Free-space optical components and systems can be fabricated using planar techniques such as pattern generation using an electron-beam writer, photolithography, reactive ion etching and thin film deposition. This allows to integrate several optical components such as lenses and beamsplitters on one side of a single substrate [1]; see Fig. 1.
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Free-space optical components and systems can be fabricated using planar techniques such as pattern generation using an electron-beam writer, photolithography, reactive ion etching and thin film deposition. This allows to integrate several optical components such as lenses and beamsplitters on one side of a single substrate [1]; see Fig. 1.
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Annual Review of Plant Physiology, 1957
The difficult problems associated with the entry of dissolved substances into plant cells have been made more difficult by failure to envisage the prop erties which must be attributed to the cells in order to account for their known behaviour in a wide range of treatments.
G E Briggs, R N Robertson
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The difficult problems associated with the entry of dissolved substances into plant cells have been made more difficult by failure to envisage the prop erties which must be attributed to the cells in order to account for their known behaviour in a wide range of treatments.
G E Briggs, R N Robertson
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